<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
<% 
String webApp = request.getContextPath(); 
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
   	  你好 ${user.userName }
     <a href="<%=webApp%>/logout.do">退出</a>
</body>
</html>